- These blades are so tough
这些叶片十分坚硬 - that virtually no large grass eaters can stomach them.
几乎没有大型食草动物能消化得了 - Yet they're harvested on an industrial scale...
然而却被小小的切叶蚁 - ...by tiny grass cutter ants.
大规模采集 - But they themselves can't digest one bit of it.
可它们根本无法消化叶片 - So, why bother?
那到底是为什么呢 - The answer is underground,
答案在地下
...by tiny grass cutter ants. 大规模采集
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